According to Associated Press sportswriter Dave Campbell, a lot:
Perhaps this classic scene from the 1980 comedy “Airplane” is the true reflection of Favre’s feelings: The lead character, Ted Striker, tells the lady sitting next to him early in the film that he’s nervous.
“First time?” the woman asks, shortly before the flight begins.
“No, I’ve been nervous lots of times,” Striker replies.
And if you haven’t ever seen "Airplane," go rent it. It’s the greatest movie of all time.